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Custom 110mm 140mm ST68 Retractable Drill Bit Rock Button Bit 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: 4148301030-4148301035

 
Custom 110mm 140mm ST68 Retractable Drill Bit Rock Button Bit
 
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Custom 110mm 140mm ST68 Retractable Drill Bit Rock Button Bit

 

Description


This type of bit is well known for its wear resistance on soft to medium-hard rock formations (between 55 Mpa to 165 Mpa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture. Recommended for eliminating hole deviation.

• Widely used drifting and tunneling
• Bit face design is ideal for soft to medium rock formations
• With Retrac Wings to help guide the bit in and out of the hole
• Effective in straight hole drilling


Color: Green,Blue or Based on Customer requirements


Material: Tungsten carbide and high strength alloy steel


Processing: CNC milling and proprietary heat treatment process


Type: ST68 Retrac Button Bit Ballistic Buttons


 
Applications


• Underground mining
• Tunneling


 
Competitive Advantage

 

• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment


 
specification


 

Part Number Bit Diameter (mm) Bit Diameter (inch)

Front Buttons

(No. x mm)

Gauge Buttons 

(No. x mm)

4148301030 102 4 4x12, 4x12 10x12
4148301031 102 4 4x14, 2x12 8x14
4148301032 110 4 1/3 6x14 8x16
4148301033 115 4 1/2 6x14 8x16
4148301034 127 5 8x14 9x16
4148301035 140 5 1/2 9x14 9x16

 

Product Code and Brief Description Angle

Front Flushing 

Holes

Side Flushing 

Holes

Weight 

(kg)

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 Mr. Yan

Tel: 86-755-36989033
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Company Info

China Hole Saw Online Market [China (Mainland)]


Business Type:Manufacturer
City: Shenzhen
Province/State: Guangdong
Country/Region: China (Mainland)

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